The Colonial sloop Norfolk: “The necessity of a vessel to keep up a more frequent intercourse with Norfolk Island, …having been much felt by the want of various stores …occasioned Captain Townson, the Commanding officer, to construct a small decked boat, sloop rigged, in which he sent His letters to this port…” [Port Jackson 15/6/1798.]
In his book Geoffrey Ingleton states Norfolk “… started life as the longboat of HMS Sirius” This is unfounded, [as it is impossible to widen a boat] Ingleton used the above as his reference.
Governor Hunter quickly put the Norfolk under the command of Matthew Flinders to be used as a survey vessel. In 1798-99 the Norfolk was used by Flinders and Bass to circumnavigate Tasmania – proving the existence of Bass Strait. Flinders also took the Norfolk North [with-out Gearge Bass] to chart Cook’s Morton’s Bay [Flinders' spelling - Moreton Bay is used toay] and Harvey’s Bay.

The Norfolk was then used to supply produce from the Winsor Area to Port Jackson, until 1800 when she was seized by convicts, at the mouth of the Hawkesbury River. Intending to sail her to the Mollucas, the convicts ran her aground at Stockton on the northern side of the mouth to the Hunter River, today the point is named Pirate Point.

In 1998-99 Bern Cuthbertson from Sandy Bay, Tasmania

Tasmania

Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

, re-enacted all of the Norfolk’s journeys in a replica of the Norfolk, constructed of Tasmania Huon and Celery Top pines. The replica Norfolk is now on display at The Bass and Flinders Centre in George Town on Tasmania’s Tamar River.

Alternative sources: Claim a ship named Norfolk was wrecked in Tahiti. That was a larger ship, also named Norfolk.